Unplug and plug your USB adapter back in. If that doesn’t work then
check that you’re a member of the fuse and
idVendor with
GROUP:="fuse". If that still doesn’t work then try
replacing SYSFS). For more info on udev, and for a
description of how I got udev to work with my Current Cost USB cable,
see this blog post.

Here’s a simple little Python script for logging every temperature
sensor reading once a minute:

The next things to do are to connect up some more temperature sensors so
I can see the temp drop across our UFH, and tinker with some graphing
utilities like matplotlib and
Google’s Chart Tools API; and
tinker with sending data to pachube.

Update 24th Feb 2012

My owfs Python code (including code to send the data to Pachube) is now
on github - please see
github for the latest code.

I try to mitigate climate change using computer science. I am a Research Engineer at DeepMind, mostly working on energy problems. Previously, I worked on energy disaggregation as a post-doc at Imperial College London. Read more about me…